Products can be used on wood steel framing or concrete walls.
R 30 foam board insulation.
Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.
Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications.
Double bubble white foil reflective insulation rolls all sizes.
Rmax thermasheath 3 4ft x 8ft polyiso rigid foam insulation board all sizes.
Radiant barriers and vapor barriers are not rated by r values.
Foam board insulation.
I ve written several posts about how to insulation basement walls in which i promote the use of foam board insulation as the first line of defense against moisture and mold.
There are three basic foam insulation board products on the.
Smartshield 3mm 16 x50ft reflective insulation roll foam core radiant barrier thermal insulation shield commercial grade 16 x50 4 6 out of 5 stars 425 39 99 39.
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You will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
Owens corning r 30 unfaced 16 by 48 fiberglass batt insulation fits 2x10 floor or attic a total of 8 bags and square footage of 426 64 ft 5 0 out of 5 stars 1 456 20 456.
Because of this i often get questions about which type of foam board insulation to use and what r values these products provide.
Foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building.
Foam board insulation types.
Note that the material the insulation is made from will change the r value as well.
The products are easy to handle score cut and install and no special tools are needed.
Panels are the most common.
R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems.
Rigid foam insulation also offers benefits as air barrier which can be accomplished when the boards are sealed at joints and edges with tape and spray foam.